import Vue from 'vue'
import VueRouter from 'vue-router'
import login from '@/components/login.vue'
import home from '@/components/home.vue'
import welcome from '@/components/welcome.vue'
import users from '@/components/user/users.vue'
import rights from '@/components/power/rights.vue'
import roles from '@/components/power/roles.vue'
import cate from '@/components/goods/cate.vue'
import params from '@/components/goods/params.vue'
import list from '@/components/goods/list.vue'
import add from '@/components/goods/add.vue'
import order from '@/components/order/order.vue'
import report from '@/components/report/report.vue'

Vue.use(VueRouter)

const routes = [
    { path: '/', redirect: '/login' },
    { path: '/login', component: login },
    {
        path: '/home',
        component: home,
        redirect: '/welcome',
        children: [
            { path: '/welcome', component: welcome },
            { path: '/users', component: users },
            { path: '/rights', component: rights },
            { path: '/roles', component: roles },
            { path: '/categories', component: cate },
            { path: '/params', component: params },
            { path: '/goods', component: list },
            { path: '/goods/add', component: add },
            { path: '/orders', component: order },
            { path: '/reports', component: report }
        ]
    }
]

const router = new VueRouter({
    routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数，表示放行
    //   next() 放行  next('/login') 强制跳转
    if (to.path === '/login') return next()
        // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})

export default router